[PATCH 10/46] panel/samsung-atna33xc20: Use refcounted allocation in place of devm_kzalloc()

Anusha Srivatsa asrivats at redhat.com
Thu Apr 3 20:20:41 UTC 2025


Move to using the new API devm_drm_panel_alloc() to allocate the
panel.

Signed-off-by: Anusha Srivatsa <asrivats at redhat.com>
---
 drivers/gpu/drm/panel/panel-samsung-atna33xc20.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c
index 9a482a744b8c15fe1592a09c2bfe17a2bb05b5ac..20ec27d2d6c255be2c33f65d3ff25a41045a9d07 100644
--- a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c
+++ b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c
@@ -266,9 +266,12 @@ static int atana33xc20_probe(struct dp_aux_ep_device *aux_ep)
 	struct device *dev = &aux_ep->dev;
 	int ret;
 
-	panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
-	if (!panel)
-		return -ENOMEM;
+	panel = devm_drm_panel_alloc(dev, struct atana33xc20_panel, base,
+				     &atana33xc20_funcs,
+				     DRM_MODE_CONNECTOR_eDP);
+	if (IS_ERR(panel))
+		return PTR_ERR(panel);
+
 	dev_set_drvdata(dev, panel);
 
 	panel->aux = aux_ep->aux;
@@ -301,8 +304,6 @@ static int atana33xc20_probe(struct dp_aux_ep_device *aux_ep)
 	if (ret)
 		return ret;
 
-	drm_panel_init(&panel->base, dev, &atana33xc20_funcs, DRM_MODE_CONNECTOR_eDP);
-
 	pm_runtime_get_sync(dev);
 	ret = drm_panel_dp_aux_backlight(&panel->base, aux_ep->aux);
 	pm_runtime_mark_last_busy(dev);

-- 
2.48.1



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